Finding the Fourth Proportional to 11,127,492.86, 15,355,938.72 and 6,776,577.99
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Solution
The fourth proportional to 11,127,492.86, 15,355,938.72 and 6,776,577.99 is: 9,351,676.76
Step by Step Solution
- Step 1: Write the proportion equation
11,127,492.86 : 15,355,938.72 = 6,776,577.99 : x - Step 2: Convert to fraction form
11,127,492.86/15,355,938.72 = 6,776,577.99/x - Step 3: Cross multiply
11,127,492.86x = 15,355,938.72 × 6,776,577.99 - Step 4: Simplify right side
11,127,492.86x = 104,060,716,371,152.95 - Step 5: Solve for x
x = 104,060,716,371,152.95/11,127,492.86 - Step 6: Final answer
x = 9,351,676.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.